Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to Canada from C$ 129

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Canada departing on 5/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from St. Louis to Canada

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:04 a.m. - 5:20 p.m.STL-YYZ
10h 16m1 stop
American Airlines Logo
11:25 a.m. - 9:44 p.m.YYZ-STL
11h 19m1 stop
C$ 377American Airlines
Find Deal
Sat, 14 Feb - Sat, 21 Feb
American Airlines Logo
8:38 a.m. - 5:44 p.m.STL-YYZ
8h 06m1 stop
American Airlines Logo
6:00 a.m. - 7:06 p.m.YYZ-STL
14h 06m1 stop
C$ 379American Airlines
Find Deal
Fri, 5 Dec - Sat, 6 Dec
Multiple Airlines Logo
10:48 a.m. - 9:19 p.m.STL-YYZ
33h 31m2 stops
Multiple Airlines Logo
7:15 a.m. - 10:33 p.m.YYZ-STL
16h 18m1 stop
C$ 447Multiple Airlines
Find Deal
Tue, 23 Dec - Tue, 6 Jan
Air Canada Logo
4:05 p.m. - 12:04 a.m.STL-YHZ
5h 59m1 stop
Air Canada Logo
9:00 a.m. - 3:24 p.m.YHZ-STL
8h 24m1 stop
C$ 463Air Canada
Find Deal
Tue, 7 Apr - Wed, 8 Apr
Multiple Airlines Logo
7:43 p.m. - 12:40 p.m.STL-YVR
18h 57m2 stops
Multiple Airlines Logo
5:30 p.m. - 12:12 p.m.YVR-STL
16h 42m1 stop
C$ 463Multiple Airlines
Find Deal
Sat, 6 Dec - Sat, 13 Dec
Delta Logo
6:00 a.m. - 2:39 p.m.STL-YVR
10h 39m2 stops
Delta Logo
11:40 a.m. - 1:01 a.m.YVR-STL
11h 21m2 stops
C$ 482Delta
Find Deal
Sat, 13 Dec - Tue, 16 Dec
Air Canada Logo
4:05 p.m. - 9:25 a.m.STL-YHZ
15h 20m1 stop
Air Canada Logo
6:55 a.m. - 3:29 p.m.YHZ-STL
10h 34m2 stops
C$ 504Air Canada
Find Deal
Mon, 17 Nov - Mon, 24 Nov
Delta Logo
7:00 a.m. - 6:47 p.m.STL-YVR
13h 47m2 stops
Delta Logo
7:35 p.m. - 9:44 a.m.YVR-STL
12h 09m2 stops
C$ 508Delta
Find Deal
Thu, 22 Jan - Mon, 26 Jan
Alaska Airlines Logo
7:00 a.m. - 8:55 p.m.STL-YVR
15h 55m1 stop
Alaska Airlines Logo
6:00 a.m. - 11:56 p.m.YVR-STL
15h 56m1 stop
C$ 540Alaska Airlines
Find Deal
Tue, 3 Mar - Wed, 4 Mar
Alaska Airlines Logo
2:50 p.m. - 4:45 p.m.STL-YVR
27h 55m1 stop
Alaska Airlines Logo
7:35 p.m. - 1:54 p.m.YVR-STL
16h 19m1 stop
C$ 585Alaska Airlines
Find Deal
Thu, 22 Jan - Mon, 26 Jan

American Airlines flights from St. Louis to Canada

Our best American Airlines deals on St. Louis to Canada flight tickets
American Airlines
14 Feb
STL6:04 a.m.Lambert-St Louis
10h 16m
1 stop
YYZ5:20 p.m.Toronto Pearson Intl
21 Feb
YYZ11:25 a.m.Toronto Pearson Intl
11h 19m
1 stop
STL9:44 p.m.Lambert-St Louis
C$ 377
Find similar
American Airlines
5 Dec
STL8:38 a.m.Lambert-St Louis
8h 06m
1 stop
YYZ5:44 p.m.Toronto Pearson Intl
6 Dec
YYZ6:00 a.m.Toronto Pearson Intl
14h 06m
1 stop
STL7:06 p.m.Lambert-St Louis
C$ 379
Find similar
American Airlines
12 Dec
STL8:38 a.m.Lambert-St Louis
8h 06m
1 stop
YYZ5:44 p.m.Toronto Pearson Intl
14 Dec
YYZ6:00 a.m.Toronto Pearson Intl
9h 50m
1 stop
STL2:50 p.m.Lambert-St Louis
C$ 381
Find similar

Air Canada flights from St. Louis to Canada

Our best Air Canada deals on St. Louis to Canada flight tickets
Air Canada
7 Apr
STL4:05 p.m.Lambert-St Louis
5h 59m
1 stop
YHZ12:04 a.m.Halifax Intl
8 Apr
YHZ9:00 a.m.Halifax Intl
8h 24m
1 stop
STL3:24 p.m.Lambert-St Louis
C$ 463
Find similar
Air Canada
17 Nov
STL4:05 p.m.Lambert-St Louis
15h 20m
1 stop
YHZ9:25 a.m.Halifax Intl
24 Nov
YHZ6:55 a.m.Halifax Intl
10h 34m
2 stops
STL3:29 p.m.Lambert-St Louis
C$ 504
Find similar
Air Canada
17 Nov
STL4:05 p.m.Lambert-St Louis
16h 26m
2 stops
YHZ10:31 a.m.Halifax Intl
24 Nov
YHZ6:55 a.m.Halifax Intl
10h 34m
2 stops
STL3:29 p.m.Lambert-St Louis
C$ 524
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Canada that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 96,600 searches. Data last updated 23 October 2025.
Use the filters below to find and compare flights from St. Louis to Canada that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Sat 14/2

6:04 a.m.-5:20 p.m.

1 stop10h 16m

Toronto Pearson Intl

Sat 21/2

11:25 a.m.-9:44 p.m.

1 stop11h 19m

C$ 377

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Fri 5/12

8:38 a.m.-5:44 p.m.

1 stop8h 06m

Toronto Pearson Intl

Sat 6/12

6:00 a.m.-7:06 p.m.

1 stop14h 06m

C$ 379

St. LouisToronto

STL - YYZ

STLYYZ

Lambert-St Louis

Tue 23/12

10:48 a.m.-9:19 p.m.

2 stops33h 31m

Toronto Pearson Intl

Tue 6/1

7:15 a.m.-10:33 p.m.

1 stop16h 18m

C$ 447

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Tue 7/4

4:05 p.m.-12:04 a.m.

1 stop5h 59m

Halifax Intl

Wed 8/4

9:00 a.m.-3:24 p.m.

1 stop8h 24m

C$ 463

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Sat 6/12

7:43 p.m.-12:40 p.m.

2 stops18h 57m

Vancouver Intl

Sat 13/12

5:30 p.m.-12:12 p.m.

1 stop16h 42m

C$ 463

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Sat 13/12

6:00 a.m.-2:39 p.m.

2 stops10h 39m

Vancouver Intl

Tue 16/12

11:40 a.m.-1:01 a.m.

2 stops11h 21m

C$ 482

St. LouisHalifax

STL - YHZ

STLYHZ

Lambert-St Louis

Mon 17/11

4:05 p.m.-9:25 a.m.

1 stop15h 20m

Halifax Intl

Mon 24/11

6:55 a.m.-3:29 p.m.

2 stops10h 34m

C$ 504

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Thu 22/1

7:00 a.m.-6:47 p.m.

2 stops13h 47m

Vancouver Intl

Mon 26/1

7:35 p.m.-9:44 a.m.

2 stops12h 09m

C$ 508

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Tue 3/3

7:00 a.m.-8:55 p.m.

1 stop15h 55m

Vancouver Intl

Wed 4/3

6:00 a.m.-11:56 p.m.

1 stop15h 56m

C$ 540

St. LouisVancouver

STL - YVR

STLYVR

Lambert-St Louis

Thu 22/1

2:50 p.m.-4:45 p.m.

1 stop27h 55m

Vancouver Intl

Mon 26/1

7:35 p.m.-1:54 p.m.

1 stop16h 19m

C$ 585

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Canada from

How to get the cheapest flight ticket from St. Louis to Canada

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Canada?

In general, January is the cheapest month to fly from St. Louis to Canada. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 400. If you’re not able to fly to Canada in January, then April is your next best option. Flight prices from St. Louis to Canada during April average around C$ 440.

What is the cheapest day to depart on your flight to Canada?

Our data shows that Friday is the least expensive day to fly to Canada. Tickets to fly out on this day can be as low as C$ 519. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around C$ 939. These prices are subject to change though, so be sure to set up a Price Alert for flights to Canada.

What is the cheapest time of day to depart on your flight to Canada?

According to our data, the cheapest time of day to fly to Canada is at noon. momondo users have found flights departing from St. Louis to Canada at noon for as low as C$ 600. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the afternoon is when there is more demand to fly to Canada, so prices are often more expensive at around C$ 779 per ticket.

What is the cheapest Lambert-St Louis to Canada flight route?

Fly from Lambert-St Louis to Toronto Pearson Intl for the best Lambert-St Louis - Canada flight prices

How far in advance should I book a flight to Canada?

You are more likely to see cheaper flights to Canada from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Canada for around C$ 683 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Canada from St. Louis for as low as C$ 309 on momondo.

What cabin class options are available on Lambert-St Louis to Canada flights?

There is only 1 cabin class available to choose from on Lambert-St Louis to Canada flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on St. Louis to Canada flights?

You could potentially save up to 26% on your flight if you consider stops on a St. Louis to Canada flight.

Cheap St. Louis to Canada flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Canada

Best price found

C$ 261

Fastest flight time

2h 01m

Direct flights

Every day

Airports in Canada

1 airport
The best flight deal from St. Louis to Canada found on momondo in the last 72 hours is C$ 261
The fastest flight from St. Louis to Canada takes 2h 01m
Direct flights go from St. Louis to Canada every day.
There is 1 airport near Canada: Toronto Pearson Intl (YYZ)
Search flight deals

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Canada?

    Prices for flights from Lambert-St Louis Airport to Canada are updated daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Canada?

  • How old do you have to be to fly from Lambert-St Louis Airport to Canada?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Canada.

  • What documentation or ID do you need to fly to Canada?

    The travel and health documents you'll need for your trip to Canada may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Canada. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from St. Louis to Canada?

Best airlines flying from St. Louis to Canada

Compare and see reviews for airlines that fly from St. Louis to Canada with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom C$ 305Free CancellationRating
7.1
10,350 reviews
Search Air Canada flights

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Canada?

It is quick and easy to find St. Louis to Canada flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Canada that suits you.

Can I find flights from St. Louis to Canada with flexible booking policies on momondo?

Yes. All flights to Canada from St. Louis on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from St. Louis to Canada?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to Canada.

I’m not ready to book a flight from St. Louis to Canada right now. Can momondo alert me if prices change?

If you are not ready to book a flight from St. Louis to Canada now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Canada and let you know when they change.

An easier way to manage your Canada trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 22/11
Sat 29/11
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Canada

Popular Cities in Canada

Popular flights according to clicks in the last 7 days on momondo
Flights to Torontofrom C$ 108
Flights to Vancouverfrom C$ 66
Flights to Montrealfrom C$ 241
Flights to Calgaryfrom C$ 83
Flights to Ottawafrom C$ 216
Flights to Winnipegfrom C$ 139
Flights to Halifaxfrom C$ 106
Flights to Kelownafrom C$ 102
Flights to Saskatoonfrom C$ 133
Flights to Reginafrom C$ 154
Flights to St. John'sfrom C$ 216
Flights to Québec Cityfrom C$ 290